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Table 3 Antibiotics susceptibility profile for selected Gram-negative bacteria as read in mean diameter of zones of inhibition (mm) after exposure to acoustic treatment at 1125 Hz/80 dB compared with control

From: Evaluation of the effects of sound exposure and low field electromagnetism on growth and antibiotics susceptibility of some microorganisms

Bacteria Exposure CAZ CIP TET IMP AMP
S. marcescens ATCC14756 a) Control
b) 24 h
c) 48 h
d) 72 h
26 ± 1.4
23 ± 1.4
23 ± 0
20 ± 9.2
28 ± 2.8
21 ± 1.4
29 ± 2.8
25 ± 0.7
R
R
R
12 ± 2.1
2.6 ± 1.4
29 ± 1.4
32 ± 1.4
26 ± 5.7
R
R
R
19 ± 4.2
P. aeruginosa
ATCC9027
a) Control
b) 24 h
c) 48 h
d) 72 h
a) 26 ± 1.4
b) 20 ± 9.2
c) 26 ± 2.1
d) 30 ± 0.7
a) 34 ± 3.5
b) 23 ± 3.5
c) 22 ± 0
d) 27 ± 1.4
a) R
b) R
c) 27 ± 2.8
d) R
a) 26 ± 2.8
b) 17 ± 4.2
c) R
d) 31 ± 4.9
a) R
b) R
c) R
d) R
G. oxydans
ATCC19357
a) Control
b) 24 h
c) 48 h
d) 72 h
a) 27 ± 2.8
b) 20 ± 0
c) 14 ± 2.1
d) R
a) 26 ± 0.7
b) 17 ± 2.1
c) 19 ± 1.4
d) 22 ± 0.7
a) R
b) R
c) 26 ± 2.8
d) R
a) 26 ± 1.4
b) 24 ± 3.5
c) R
d) 18 ± 13.4
a) 23 ± 0.7
b) R
c) 18 ± 0
d) R
R. sphaeroides
ATCC17023
a) Control
b) 24 h
c) 48 h
d) 72 h
a) 24 ± 0.7
b) 19 ± 0.7
c) 24 ± 1.4
d) 28 ± 0.7
a) 24 ± 0.7
b) 23 ± 0
c) 24 ± 3.5
d) 23 ± 3.5
a) R
b) R
c) 28 ± 0.7
d) R
a) R
b) 23 ± 3.5
c) R
d) 34 ± 0.7
a) R
b) R
c) R
d) R
C. freundii
ATCC33128
a) Control
b) 24 h
c) 48 h
d) 72 h
a) 14 ± 0.7
b) 14 ± 0
c) 20 ± 7.1
d) 30 ± 0
a) 26 ± 0.7
b) 24 ± 0.7
c) 31 ± 2.1
d) 30 ± 1.4
a) 25 ± 0
b) R
c) 12 ± 0.7
d) 11 ± 1.4
a) 29 ± 4.2
b) 25 ± 0.7
c) R
d) 30 ± 0
a) 30 ± 2.1
b) R
C) R
d) R
Y. pestis
ATCC11953
a) Control
b) 24 h
c) 48 h
d) 72 h
a) 13 ± 1.4
b) 23 ± 0.7
c) 18 ± 0
d) 16 ± 2.8
a) 23 ± 0
b) 22 ± 2.1
c) 20 ± 0.7
d) 18 ± 2.8
a) R
b) R
c) R
d) R
a) 23 ± 1.4
b) 20 ± 4.9
c) 26 ± 0.7
d) 23 ± 0.7
a) 15 ± 0
b) 14 ± 2.1
c) 15 ± 0.7
d) 17 ± 1.4
K. pneumoniae
ATCC25955
a) Control
b) 24 h
c) 48 h
d) 72 h
a) 26 ± 1.4
b) 27 ± 1.4
c) 26 ± 0.7
d) 26 ± 2.8
a) 31 ± 2.1
b) 21 ± 1.4
c) 23 ± 0.7
d) 25 ± 3.5
a) R
b) R
c) 25 ± 5.7
d) R
a) 22 ± 2.8
b) 30 ± 0.7
c) R
d) 31 ± 0.7
a) 24 ± 0.7
b) R
c) R
d) R
A.aceti
ATCC15973
a) Control
b) 24 h
c) 48 h
d) 72 h
a) 19 ± 4.2
b) 26 ± 0
c) 14 ± 4.2
d) 19 ± 0.7
a) 21 ± 9.9
b) 19 ± 2.1
c) 28 ± 4.9
d) 20 ± 0
a) 13 ± 4.2
b) R
c) 21 ± 14.1
d) 10 ± 0
a) 17 ± 1.4
b) 34 ± 7.1
c) 22 ± 2.8
d) 27 ± 1.4
a) 16 ± 4.2
b) 13 ± 1.4
c) R
d) R
E. coli
ATCC25922
a) Control
b) 24 h
c) 48 h
d) 72 h
a) 29 ± 1.4
b) 14 ± 1.4
c) 17 ± 0.7
d) 18 ± 1.4
a) 22 ± 1.4
b) 20 ± 0.7
c) 21 ± 1.4
d) 21 ± 0.7
a) 19 ± 0
b) R
c) 20 ± 4.2
d) R
a) 33 ± 4.2
b) 20 ± 0
c) R
d) 27 ± 1.4
a) 26 ± 1.4
b) R
c) R
d) R
  1. a) —Control b) —24 h c) —48 h d) —72 h R—Resistance CAZ—Ceftazidime CIP—Ciprofloxacin TET—Tetracycline IMP—Imipenem AMP—Ampicillin *Data are mean of replicate ± S.D